Home / 1,291,017.30-1,781,579.04-710,206.49

Finding the Fourth Proportional to 1,291,017.30, 1,781,579.04 and 710,206.49

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Solution

The fourth proportional to 1,291,017.30, 1,781,579.04 and 710,206.49 is: 980,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,017.30 : 1,781,579.04 = 710,206.49 : x
  2. Step 2: Convert to fraction form
    1,291,017.30/1,781,579.04 = 710,206.49/x
  3. Step 3: Cross multiply
    1,291,017.30x = 1,781,579.04 × 710,206.49
  4. Step 4: Simplify right side
    1,291,017.30x = 1,265,288,998,446.64
  5. Step 5: Solve for x
    x = 1,265,288,998,446.64/1,291,017.30
  6. Step 6: Final answer
    x = 980,071.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.